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21303110233120 = 2551710773196503
BaseRepresentation
bin1001101100000000001000…
…10100010110110000100000
32210102120001101021011122011
410312000010110112300200
510243012232204424440
6113150302544522304
74326045634161322
oct466000424266040
983376041234564
1021303110233120
1168736643a0421
122480828620394
13bb6b4a879bb1
1453910c905612
1526e221d769ea
hex136004516c20

21303110233120 has 96 divisors (see below), whose sum is σ = 53787133427328. Its totient is φ = 7945041113088.

The previous prime is 21303110233099. The next prime is 21303110233151. The reversal of 21303110233120 is 2133201130312.

21303110233120 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 21303110233091 and 21303110233100.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36307212 + ... + 36889291.

It is an arithmetic number, because the mean of its divisors is an integer number (560282639868).

Almost surely, 221303110233120 is an apocalyptic number.

21303110233120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21303110233120 is an abundant number, since it is smaller than the sum of its proper divisors (32484023194208).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21303110233120 is a wasteful number, since it uses less digits than its factorization.

21303110233120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73196642 (or 73196634 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 21303110233120 its reverse (2133201130312), we get a palindrome (23436311363432).

The spelling of 21303110233120 in words is "twenty-one trillion, three hundred three billion, one hundred ten million, two hundred thirty-three thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 16 17 20 32 34 40 68 80 85 107 136 160 170 214 272 340 428 535 544 680 856 1070 1360 1712 1819 2140 2720 3424 3638 4280 7276 8560 9095 14552 17120 18190 29104 36380 58208 72760 145520 291040 73196503 146393006 292786012 365982515 585572024 731965030 1171144048 1244340551 1463930060 2342288096 2488681102 2927860120 4977362204 5855720240 6221702755 7832025821 9954724408 11711440480 12443405510 15664051642 19909448816 24886811020 31328103284 39160129105 39818897632 49773622040 62656206568 78320258210 99547244080 125312413136 133144438957 156640516420 199094488160 250624826272 266288877914 313281032840 532577755828 626562065680 665722194785 1065155511656 1253124131360 1331444389570 2130311023312 2662888779140 4260622046624 5325777558280 10651555116560 21303110233120